diff --git a/runtime/compiler/ocaml.vim b/runtime/compiler/ocaml.vim
index da15bce..7f8a7ea 100644
--- a/runtime/compiler/ocaml.vim
+++ b/runtime/compiler/ocaml.vim
@@ -1,7 +1,11 @@
 " Vim Compiler File
-" Compiler:	ocaml
-" Maintainer:	See ftplugin/ocaml.vim (?)
-" Last Change:	June 2013 by Marc Weber
+" Compiler:    ocaml
+" Maintainer:  Markus Mottl <markus.mottl@gmail.com>
+" URL:         https://github.com/rgrinberg/vim-ocaml
+" Last Change:
+"              2017 Nov 26 - Improved error format (Markus Mottl)
+"              2013 Aug 27 - Added a new OCaml error format (Markus Mottl)
+"              2013 Jun 30 - Initial version (Marc Weber)
 "
 " Marc Weber's comments:
 " Setting makeprg doesn't make sense, because there is ocamlc, ocamlopt,
@@ -17,7 +21,6 @@
 "
 " So having it here makes people opt-in
 
-
 if exists("current_compiler")
     finish
 endif
@@ -28,6 +31,7 @@
 
 CompilerSet errorformat =
       \%EFile\ \"%f\"\\,\ line\ %l\\,\ characters\ %c-%*\\d:,
+      \%EFile\ \"%f\"\\,\ line\ %l\\,\ characters\ %c-%*\\d\ %.%#,
       \%EFile\ \"%f\"\\,\ line\ %l\\,\ character\ %c:%m,
       \%+EReference\ to\ unbound\ regexp\ name\ %m,
       \%Eocamlyacc:\ e\ -\ line\ %l\ of\ \"%f\"\\,\ %m,
@@ -38,6 +42,12 @@
       \%X%*\\a[%*\\d]:\ Leaving\ directory\ `%f',
       \%D%*\\a:\ Entering\ directory\ `%f',
       \%X%*\\a:\ Leaving\ directory\ `%f',
+      \%D%*\\a[%*\\d]:\ Entering\ directory\ '%f',
+      \%X%*\\a[%*\\d]:\ Leaving\ directory\ '%f',
+      \%D%*\\a:\ Entering\ directory\ '%f',
+      \%X%*\\a:\ Leaving\ directory\ '%f',
+      \%DEntering\ directory\ '%f',
+      \%XLeaving\ directory\ '%f',
       \%DMaking\ %*\\a\ in\ %f
 
 let &cpo = s:cpo_save